Viewing archive of Sunday, 17 August 2003
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 113 21 | 1 | B3.7 | C2.16 | 2 |
Solar flares
| Region | Start | Maximum | End | |
|---|---|---|---|---|
| - | B8.2 | 00:29 | 00:34 | 00:42 |
| 0431 | C2.1 | 04:19 | 04:26 | 04:36 |
| 0431 | C1.9 | 08:39 | 08:44 | 08:48 |
| - | B8.4 | 09:02 | 09:06 | 09:11 |
| - | B7.6 | 12:05 | 12:11 | 12:18 |
| - | B7 | 20:33 | 20:38 | 20:45 |
| 0431 | B8.8 | 23:39 | 23:44 | 23:51 |
Latest news
Monday, 18 November 2019 - 20:12 UTC
Coronal hole faces Earth
Wednesday, 13 November 2019 - 18:02 UTC
Cycle 25 sunspot region, Coronal hole faces Earth
Tuesday, 22 October 2019 - 14:34 UTC
Coronal hole faces Earth, G1 watch
Latest forum messages
- Ap & aa Indices and Solar Minimum 45
- Synoptic Magnetograms; SC24 Minimum Forecasting 22
- Strange "Wave" Phenomenon on the Sun 10
- Kp ZERO 36 Hours 2
- "High" Solar Wind Density 3
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Space weather facts
| Last X-flare: | 2017/09/10 | X8.2 |
| Last M-flare: | 2017/10/20 | M1.0 |
| Last geomagnetic storm: | 2019/10/26 | Kp5 (G1) |
| Number of spotless days in 2019: | 263 | |
| Current stretch spotless days: | 37 | |